… strengthen the muscles around them as well. Having the right positioning of the legs is key. At the bottom of the pedal stroke, the bend in the knee should be 15 degrees. Starting with 10 minutes of biking is recommended, increasing the time as you go along.
READ: Bent Out Of Shape: How To Protect Your Knees
4. Step Ups
For this exercise you will need a sturdy step that is at least two feet high. Step up onto the support and straighten the knees fully without locking and then step back down. Maintain a steady pace while pumping the arms as you go up and down the step and repeat this motion for 1 minute. Slowly build up the time of activity as you go along.